IL157755A0 - Method and device for determining the concentration of a substance in body liquid - Google Patents

Method and device for determining the concentration of a substance in body liquid

Info

Publication number
IL157755A0
IL157755A0 IL15775501A IL15775501A IL157755A0 IL 157755 A0 IL157755 A0 IL 157755A0 IL 15775501 A IL15775501 A IL 15775501A IL 15775501 A IL15775501 A IL 15775501A IL 157755 A0 IL157755 A0 IL 157755A0
Authority
IL
Israel
Prior art keywords
substance
concentration
strip electrode
electrode
specimen
Prior art date
Application number
IL15775501A
Original Assignee
Pendragon Medical Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pendragon Medical Ltd filed Critical Pendragon Medical Ltd
Publication of IL157755A0 publication Critical patent/IL157755A0/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Emergency Medicine (AREA)
  • Optics & Photonics (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

For measuring the concentration of a substance in body fluid, such as the glucose level in blood or tissue, a strip electrode (18) and a ring electrode (19) are arranged at the specimen. The ring electrode (19) is in direct electrical contact with the specimen while the strip electrode (18) is electrically insulated therefrom. The strip electrode (18) is arranged parallel to an arm or a leg for obtaining a large interaction length. The electrodes (18, 19) form a capacitor in a resonant circuit. A modulated voltage in the MHz range close to or at the resonance frequency is applied to the electrodes and the response of the body fluid is measured. This design allows a measurement of high accuracy.
IL15775501A 2001-03-06 2001-03-06 Method and device for determining the concentration of a substance in body liquid IL157755A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2001/000334 WO2002069791A1 (en) 2001-03-06 2001-03-06 Method and device for determining the concentration of a substance in body liquid

Publications (1)

Publication Number Publication Date
IL157755A0 true IL157755A0 (en) 2004-03-28

Family

ID=11004054

Family Applications (2)

Application Number Title Priority Date Filing Date
IL15775501A IL157755A0 (en) 2001-03-06 2001-03-06 Method and device for determining the concentration of a substance in body liquid
IL157755A IL157755A (en) 2001-03-06 2003-09-04 Method and device for determining the concentration of a substance in body liquid

Family Applications After (1)

Application Number Title Priority Date Filing Date
IL157755A IL157755A (en) 2001-03-06 2003-09-04 Method and device for determining the concentration of a substance in body liquid

Country Status (13)

Country Link
US (1) US7693561B2 (en)
EP (2) EP1818010B1 (en)
JP (1) JP4855639B2 (en)
AT (2) ATE547045T1 (en)
AU (1) AU2001239462B2 (en)
CA (1) CA2439822C (en)
CZ (1) CZ20032650A3 (en)
DE (1) DE60124714T2 (en)
IL (2) IL157755A0 (en)
MX (1) MXPA03008047A (en)
SK (1) SK12272003A3 (en)
TW (1) TW524977B (en)
WO (1) WO2002069791A1 (en)

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US20040065158A1 (en) 2004-04-08
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WO2002069791A1 (en) 2002-09-12
IL157755A (en) 2009-11-18

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